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-rw-r--r--lib/Support/APInt.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 2e90502e6c..3725667b8f 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -994,7 +994,7 @@ APInt APInt::shl(uint32_t shiftAmt) const {
for (; i > offset; --i)
val[i] = pVal[i-offset] << wordShift |
pVal[i-offset-1] >> (APINT_BITS_PER_WORD - wordShift);
- val[offset] = pVal[offset-1] << wordShift;
+ val[offset] = pVal[0] << wordShift;
for (i = 0; i < offset; ++i)
val[i] = 0;
val[getNumWords()-1] &= ~uint64_t(0ULL) >> (APINT_BITS_PER_WORD - BitWidth);